EP0682338A3 - Magnetoresistive Struktur mit aneinandergrenzendem Übergang mit harter Polarisationsentwurf und mit Leitungswiderstand. - Google Patents

Magnetoresistive Struktur mit aneinandergrenzendem Übergang mit harter Polarisationsentwurf und mit Leitungswiderstand. Download PDF

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Publication number
EP0682338A3
EP0682338A3 EP95107179A EP95107179A EP0682338A3 EP 0682338 A3 EP0682338 A3 EP 0682338A3 EP 95107179 A EP95107179 A EP 95107179A EP 95107179 A EP95107179 A EP 95107179A EP 0682338 A3 EP0682338 A3 EP 0682338A3
Authority
EP
European Patent Office
Prior art keywords
hard bias
lead resistance
low lead
magnetoresistive structure
bias design
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP95107179A
Other languages
English (en)
French (fr)
Other versions
EP0682338A2 (de
Inventor
Durga Ravipati
Yong Shen
William Charles Cain
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Read Rite Corp
Original Assignee
Read Rite Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Read Rite Corp filed Critical Read Rite Corp
Publication of EP0682338A2 publication Critical patent/EP0682338A2/de
Publication of EP0682338A3 publication Critical patent/EP0682338A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/399—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures with intrinsic biasing, e.g. provided by equipotential strips

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)
EP95107179A 1994-05-13 1995-05-11 Magnetoresistive Struktur mit aneinandergrenzendem Übergang mit harter Polarisationsentwurf und mit Leitungswiderstand. Withdrawn EP0682338A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US242457 1981-03-11
US08/242,457 US5438470A (en) 1994-05-13 1994-05-13 Magnetoresistive structure with contiguous junction hard bias design with low lead resistance

Publications (2)

Publication Number Publication Date
EP0682338A2 EP0682338A2 (de) 1995-11-15
EP0682338A3 true EP0682338A3 (de) 1996-07-24

Family

ID=22914854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95107179A Withdrawn EP0682338A3 (de) 1994-05-13 1995-05-11 Magnetoresistive Struktur mit aneinandergrenzendem Übergang mit harter Polarisationsentwurf und mit Leitungswiderstand.

Country Status (3)

Country Link
US (1) US5438470A (de)
EP (1) EP0682338A3 (de)
JP (1) JPH0845037A (de)

Families Citing this family (44)

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US5712751A (en) * 1994-03-17 1998-01-27 Kabushiki Kaisha Toshiba Magnetic sensor and magnetic recording-reproducing head and magnetic recording-reproducing apparatus using same
JPH0845027A (ja) * 1994-07-29 1996-02-16 Fujitsu Ltd 磁気抵抗効果素子及びその製造方法
US5896251A (en) * 1994-12-26 1999-04-20 Kabushiki Kaisha Toshiba Magnetoresistance effect head with conductor film pair and magnetic field proving film pair disposed between substrate and magnetoresistance effect film
JPH08221719A (ja) * 1995-02-16 1996-08-30 Tdk Corp スピンバルブ磁気抵抗ヘッド及びその製造方法
US5646805A (en) * 1995-03-06 1997-07-08 Read-Rite Corporation Magnetoresistive read transducer with partially abutted junctions
US5838521A (en) * 1995-04-17 1998-11-17 Read-Rite Corporation Magnetoresistive transducer having laminated magnetic shields
US5646051A (en) * 1995-05-05 1997-07-08 Nec Research Institute, Inc. Process for forming a magnetoresistive sensor for a reading head
KR100234176B1 (ko) * 1995-06-30 1999-12-15 이형도 자기 저항소자 및 그 제조방법
JP3635504B2 (ja) * 1995-08-31 2005-04-06 富士通株式会社 磁気抵抗効果ヘッドとその製造方法及び磁気記録装置
US5754376A (en) * 1995-09-12 1998-05-19 Hitachi Metals, Ltd. Magnetoresistive head with hard magnetic bias
US5818684A (en) * 1995-09-13 1998-10-06 Kabushiki Kaisha Toshiba Shield type magnetoresistive head arranged for weakening of a galvano-current magnetic field
EP0770991A3 (de) 1995-10-26 1998-05-20 Read-Rite Corporation Dünnfilmmagnetoresistiver Kopf mit aneinandergrenzendem Übergang
US5622874A (en) * 1995-12-14 1997-04-22 Nec Research Institute, Inc. Process for forming a magnetoresistive sensor for a read/write head
US5936810A (en) 1996-02-14 1999-08-10 Hitachi, Ltd. Magnetoresistive effect head
US6545847B2 (en) 1996-02-14 2003-04-08 Hitachi, Ltd. Magnetoresistive effect head
SG47214A1 (en) * 1996-03-14 1998-03-20 Sony Corp Thin-film magnetic head
US5708358A (en) * 1996-03-21 1998-01-13 Read-Rite Corporation Spin valve magnetoresistive transducers having permanent magnets
US5926348A (en) * 1996-08-28 1999-07-20 Yamaha Corporation Magnetoresistive head having a magnetoresistive element with bent portions located at points of high longitudinal bias magnetic field intensity
US5739990A (en) * 1996-11-13 1998-04-14 Read-Rite Corporation Spin-valve GMR sensor with inbound exchange stabilization
JP3455037B2 (ja) * 1996-11-22 2003-10-06 アルプス電気株式会社 スピンバルブ型薄膜素子、その製造方法、及びこのスピンバルブ型薄膜素子を用いた薄膜磁気ヘッド
US5867889A (en) * 1997-04-01 1999-02-09 International Business Machines Corporation Double self-aligned insulated contiguous junction for flux-guided-MR or yoke-MR head applications
US6040962A (en) * 1997-05-14 2000-03-21 Tdk Corporation Magnetoresistive element with conductive films and magnetic domain films overlapping a central active area
US6392840B1 (en) 1997-12-08 2002-05-21 International Business Machines Corporation Planarized side by side design of an inductive writer and single metallic magnetoresistive reader
US6462920B1 (en) 1998-12-23 2002-10-08 Read-Rite Corporation Method and system for reducing MR head instability
US6583971B1 (en) * 1999-03-09 2003-06-24 Sae Magnetics (Hk) Ltd. Elimination of electric-pop noise in MR/GMR device
US6198608B1 (en) 1999-03-18 2001-03-06 Read-Rite Corporation MR sensor with blunt contiguous junction and slow-milling-rate read gap
KR100608167B1 (ko) * 1999-07-07 2006-08-02 후지쯔 가부시끼가이샤 자기저항 효과형 헤드, 자기저항 효과형 헤드 제조 방법,및 정보 재생 장치
US6139906A (en) * 1999-10-07 2000-10-31 Veeco Instruments, Inc. Methods of depositing multilayer thin films
US6344953B1 (en) 2000-03-08 2002-02-05 Seagate Technology, Llc Magnetoresistive read sensor using overlaid leads with insulating current guide layer
JP2001312803A (ja) * 2000-04-28 2001-11-09 Fujitsu Ltd 磁気ヘッド及び磁気ヘッドの製造方法
JP3260741B1 (ja) * 2000-08-04 2002-02-25 ティーディーケイ株式会社 磁気抵抗効果装置およびその製造方法ならびに薄膜磁気ヘッドおよびその製造方法
US6813121B2 (en) 2000-11-30 2004-11-02 Hitachi Global Storage Technologies Netherlands, B.V. Magnetic transducer with multilayer conductive leads including a tantalum layer, a chromium layer and a rhodium layer
JP3583079B2 (ja) 2001-03-26 2004-10-27 株式会社東芝 磁気抵抗効果素子、磁気ヘッド、磁気再生装置及び磁気記憶装置
JP3593320B2 (ja) * 2001-04-20 2004-11-24 アルプス電気株式会社 磁気検出素子及びその製造方法
JP3284130B1 (ja) * 2001-04-25 2002-05-20 ティーディーケイ株式会社 磁気抵抗効果装置およびその製造方法、薄膜磁気ヘッドおよびその製造方法、ヘッドジンバルアセンブリならびにハードディスク装置
JP3260740B1 (ja) 2001-04-25 2002-02-25 ティーディーケイ株式会社 磁気抵抗効果装置の製造方法および薄膜磁気ヘッドの製造方法
JP3877985B2 (ja) * 2001-08-15 2007-02-07 富士通株式会社 磁気抵抗ヘッド及びその製造方法
US6751070B2 (en) 2001-11-01 2004-06-15 Tdk Corporation Thin film magnetic head and method for fabricating the same
US7107667B2 (en) * 2001-11-01 2006-09-19 Tdk Corporation Method for fabricating thin film magnetic head
US6982855B2 (en) * 2002-05-27 2006-01-03 Tdk Corporation Magnetoresistive head having layer structure between free and lead layers with layer structure including fixed magnetization layer
US7075761B2 (en) * 2002-08-27 2006-07-11 Hitachi Global Storage Technologies Netherlands B.V. Lead-defined and shaped magnetic sensor
US7227726B1 (en) 2002-11-12 2007-06-05 Storage Technology Corporation Method and system for providing a dual-stripe magnetoresistive element having periodic structure stabilization
US7116526B2 (en) 2002-11-22 2006-10-03 International Business Machines Corporation Lead overlay sensor with improved current path
JP2008159205A (ja) * 2006-12-26 2008-07-10 Fujitsu Ltd 記憶装置、記憶装置用ヘッドの異常検出方法、異常検出プログラム

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0152000A2 (de) * 1984-01-27 1985-08-21 Hitachi, Ltd. Magnetischer Wandler, der den Magnetwiderstandseffekt verwendet
EP0216062A1 (de) * 1985-08-15 1987-04-01 International Business Machines Corporation Zusammenbau eines magnetoresistiven Lesewandlers
EP0279536A2 (de) * 1987-02-17 1988-08-24 Seagate Technology International Magnetoresistiver Kopf und Verfahren zu seiner Herstellung
EP0422806A2 (de) * 1989-10-10 1991-04-17 International Business Machines Corporation Magnetoresistiver Wandler
EP0558237A2 (de) * 1992-02-28 1993-09-01 International Business Machines Corporation Magnetoresistiver Lesewandler mit verbessertem Vorspannungs-Profil
US5270893A (en) * 1990-10-29 1993-12-14 Sony Corporation Specific core structure in a magneto-resistance head
EP0590905A2 (de) * 1992-10-02 1994-04-06 International Business Machines Corporation Magnetischer Sensor
EP0613119A2 (de) * 1993-02-22 1994-08-31 Nec Corporation Magnetoresistiver Sensor und Herstellungsverfahren
EP0634740A2 (de) * 1993-07-13 1995-01-18 International Business Machines Corporation Magnetoresistiver Lesewandler

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2835459A1 (de) * 1978-08-12 1980-02-28 Vacuumschmelze Gmbh Federndes abschirmelement, insbesondere fuer magnetbandkassetten
US4639806A (en) * 1983-09-09 1987-01-27 Sharp Kabushiki Kaisha Thin film magnetic head having a magnetized ferromagnetic film on the MR element
US5005096A (en) * 1988-12-21 1991-04-02 International Business Machines Corporation Magnetoresistive read transducer having hard magnetic shunt bias
JP2728487B2 (ja) * 1989-02-08 1998-03-18 株式会社日立製作所 録再分離複合型磁気ヘッド
JPH0434713A (ja) * 1990-05-30 1992-02-05 Sony Corp 磁気抵抗効果型薄膜ヘッド
JPH05258246A (ja) * 1992-01-21 1993-10-08 Internatl Business Mach Corp <Ibm> 磁気抵抗読取りトランスジューサ

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0152000A2 (de) * 1984-01-27 1985-08-21 Hitachi, Ltd. Magnetischer Wandler, der den Magnetwiderstandseffekt verwendet
EP0216062A1 (de) * 1985-08-15 1987-04-01 International Business Machines Corporation Zusammenbau eines magnetoresistiven Lesewandlers
EP0279536A2 (de) * 1987-02-17 1988-08-24 Seagate Technology International Magnetoresistiver Kopf und Verfahren zu seiner Herstellung
EP0422806A2 (de) * 1989-10-10 1991-04-17 International Business Machines Corporation Magnetoresistiver Wandler
US5270893A (en) * 1990-10-29 1993-12-14 Sony Corporation Specific core structure in a magneto-resistance head
EP0558237A2 (de) * 1992-02-28 1993-09-01 International Business Machines Corporation Magnetoresistiver Lesewandler mit verbessertem Vorspannungs-Profil
EP0590905A2 (de) * 1992-10-02 1994-04-06 International Business Machines Corporation Magnetischer Sensor
EP0613119A2 (de) * 1993-02-22 1994-08-31 Nec Corporation Magnetoresistiver Sensor und Herstellungsverfahren
EP0634740A2 (de) * 1993-07-13 1995-01-18 International Business Machines Corporation Magnetoresistiver Lesewandler

Also Published As

Publication number Publication date
US5438470A (en) 1995-08-01
EP0682338A2 (de) 1995-11-15
JPH0845037A (ja) 1996-02-16

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